304 Stainless Steel Blank Stamping Tag Pendants, Flat Round. Size: about 10mm in diameter, 0.6mm thick, Hole: 1mm. 304 Stainless Steel takes a high polish and has a luster similar to sterling silver. It stays bright and shiny for years of long wear. It can be matched with hooks, jumprings, and pins to be earring, bracelets and so on. And buy this 100 pcs 304 Stainless Steel Blank Stamping Tag Pendants For $3.69 @PandaHall.